<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		html,body{
			width: 100%;
			height: 100%;
			position: relative;
		}
		.one{
			height: 10%;
			width: 100%;
			background:yellow;
		}
		.two{
			height: 90%;
			width: 100%;
			background:red;
		}
		.two ul{
			height: 100%;
			width: 20%;
			background: black;
			position: fixed;
			top: 10%;
			left: 0;
		}
		.foot{
			height: 50px;
			width: 100%;
			position: fixed;
			bottom: 0;
			background:black;
			left: 0;
		}
	</style>
</head>
<body>
	<div class="one"></div>
	<div class="two">
		<ul>
			<li></li>
		</ul>
	</div>
	<div class="foot"></div>
</body>
</html>